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HEMODYNAMIC STUDY OF THE HUMAN PENIS USING XENON-133 Nobuhisa Ishii 1 , Shiro Mitsukawa 1 , Shotaro Matsuda 1 , Masafumi Shirai 1 , Mamoru Nakanlura 2 1Department of Urology, Tohoku University School of Medicine 2Department of Radiology, Tohoku University School of Medicine pp.521-525
Published Date 1977/6/20
DOI https://doi.org/10.11477/mf.1413202375
  • Abstract
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In pursuit of the true mechanism of human penial erection we performed following experiments with human adults. A modicum of radioactive xenon-133 was injected into the corpus cavernosum and its disappearance out of the blood stream was traced on the clearance curve. Visual sexual stimulation (V.S.S.) was given to the subject and changes in the curve were studied. When the penis remained relaxed, the rate of Xe-133 decrease was very sluggish with the curve declining very gently, but with V.S.S. the curve turned to fall precipitately, showing a sudden increase of penial blood flow.


Copyright © 1977, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1332 印刷版ISSN 0385-2393 医学書院

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